Does anyone know how to get the Segmentation & Reassembly download work right with CMG Gateway? SAR sending behaves as good as Kannel but download is weird.

I am posting here because there is no response from logicaCMG and seems like they do not support CMG Gateway anymore.

The problem is, the Gw sends 3 packets for the first group, but immediately after, it sends a abort PDU with Protocol error as reason (code = 1).

We try to send the Option TPI (Max Group) with our Invoke PDU, it helped to some extend, the gateway send almost all the data as one group (since we set the Max Group Size to 0xFFFF) and the packet sequence is extremly weird (after 5th packet, it sends packet with Sequence 22) and if we send missing packet info, we receive the usual abort pdu.

Is there something that we miss with SAR?, Kannel & Nokia GW works great for us, hence we assume, we are fully comply with the standard.

Thanks

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